Pneumatically Actuated Diaphragm Valve, Coefficient of Volume (Cv) 0.6, Nominal Valve Size 1/4 in, Actuator Air Port Connection 1/8 in FNPT, Connection Type - Side 1 NPT, Connection Type - Side 2 NPT, For Media Corrosive Chemicals, Water, Diaphragm Material PTFE, Operating Temperature - Maximum 266 Degrees F, Maximum Pressure - Operating 80 psi, Valve Deactivated State Normally Closed (NC), Body Material PFA, Diaphragm Valve Type 2-Way, Seal Material FKM, Overall Length 2.38 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -